#include<bits/stdc++.h>
using namespace std;
#define int long long
int n,t[100005],ans=0;
signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        t[x]++;
    }
    for(int i=1;i<=100000;i++){
        ans=max(ans,t[i]);
    }
    cout<<ans;
    return 0;
}
